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      11-16-2009, 11:34 AM   #14
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Drives: Lemans Blue M3
Join Date: Aug 2007
Location: Texas

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Originally Posted by DLSJ5 View Post
Using the well put together OEM LW battery swap DIY from Doba_s and trusting that Lemans_Blue_M was right about the MC/CSL battery being a direct OEM type fit, I figured why not, 24 lbs is a nice savings for 130 bucks. Here's the link on Doba's LW Battery Swap/Removal, etc.

I ran a LW Braile battery in my E46 Supercharged M3 and if the car sat for more than 1 day, it would not start, etc. So I had no plans on using it on the E92. But the OEM MC/CSL battery should yield enough power, and is a nice compromise for some WR.

You'll love this battery.

You get the weight reduction, without all the 'drama' associated with the much smaller lightweight racing batteries.

This I why I recommended the Mini Cooper battery as a viable alternative. (in doba's lightweight battery thread)

After being constantly frustrated by the lackluster performance of these tiny racing batteries, I finally decided to buy a more appropriately sized lightweight battery for my M3.

It was a pain in the ass to constantly need a jump start because my battery was DOA.

With this smaller Mini Cooper battery, there are NO starting issues, and NO lost program settings.
The best is yet to come...